--- old/src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/ExcludeVMPlugin.java	2017-03-21 13:44:22.060727739 +0000
+++ new/src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/ExcludeVMPlugin.java	2017-03-21 13:44:21.866714426 +0000
@@ -115,7 +115,7 @@
     @Override
     public ResourcePool transform(ResourcePool in, ResourcePoolBuilder out) {
         ResourcePoolModule javaBase = in.moduleView().findModule("java.base").get();
-        String[] jvmlibs = jvmlibs(javaBase.descriptor().osName().get());
+        String[] jvmlibs = jvmlibs(javaBase.osName());
         TreeSet<Jvm> existing = new TreeSet<>(new JvmComparator());
         TreeSet<Jvm> removed = new TreeSet<>(new JvmComparator());
         if (!keepAll) {